Refs #18414 -- Added tests for selected columns of sliced distinct querysets.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/queries/tests.py b/tests/queries/tests.py
index 7b70a5ae0a..395a298a9e 100644
--- a/tests/queries/tests.py
+++ b/tests/queries/tests.py
@@ -2226,6 +2226,14 @@ class ExistsSql(TestCase):
         self.assertNotIn(id, qstr)
         self.assertNotIn(name, qstr)
 
+    def test_sliced_distinct_exists(self):
+        with CaptureQueriesContext(connection) as captured_queries:
+            self.assertIs(Article.objects.distinct()[1:3].exists(), False)
+        self.assertEqual(len(captured_queries), 1)
+        captured_sql = captured_queries[0]["sql"]
+        self.assertIn(connection.ops.quote_name("id"), captured_sql)
+        self.assertIn(connection.ops.quote_name("name"), captured_sql)
+
     def test_ticket_18414(self):
         Article.objects.create(name="one", created=datetime.datetime.now())
         Article.objects.create(name="one", created=datetime.datetime.now())